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快冷投用时凝泵、循泵使用原则?

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2021-09-02 14:12
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正确答案

实际根据历次投快冷经验,由于空气的蓄热、传热能力差,冷却速度快,投快冷时循泵可不投用,但应密切注意排汽缸温、凝汽器壁温及疏扩、凝汽器背包温度≯80℃。同样由于空气蓄热、传热特点,汽缸金属温度250℃以上时,凝泵使用;250℃以下时,凝泵可以停用。


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